Tuesday, Nov. 29th: How Wolves Change Rivers

Reintroduction of Wolves to Yellowstone National Park

TASK

  • You will be learning about this EVENT and will be writing down or typing in INTERACTIONS between the event and the spheres on a chart.
  • You will also be writing down or typing INTERACTIONS between the spheres in relation to the reintroduction of wolves to Yellowstone National Park.
  • The document was emailed to you and can be opened in PAGES.

Vocabulary to Know

  • trophic levelTrophic cascades occur when predators in a food web keep the numbers of their prey from getting too large or change the behavior of their prey, so not as many organisms in next lower trophic level is hunted/eaten.
    • Mission Wolf- Education vs Extinction- trophic cascade– “Wolves and other top predators are keystone species – they prevent overpopulation of prey species, encouraging a balance in nature.” http://www.missionwolf.org/page/trophic-cascade/
  • ecosystem– A system that includes all living organisms (biotic factors) in an area as well as its physical environment (abiotic factors) functioning together as a unit. An ecosystem is made up of plants, animals, microorganisms, soil, rocks, minerals, water sources and the local atmosphere interacting with one another.

WATCH

READ: MORE WOLF CONNECTIONS

MORE WOLVES AND THE ATMOSPHERE

TO THE CONTRARY

JUST REALLY INTERESTING

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